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FIG 1. Fusion of the Schaltenbrand and Wahren atlas with the T2-weighted acquisition of a patient with Parkinson’s disease. The six anteroposterior levels of the atlas containing a section of the subthalamic nucleus (arrow in level Fa 2.0) are represented. Note that the subthalamic nucleus is hypointense at anterior levels (Fa 2.0–Fp 4.0) but only partly hypointense at level Fp 5.0 and not hypointense at the most posterior level (Fp 7.0). The contours of the Schaltenbrand and Wahren atlas are labeled in Figure 3.
